"""
Case Type   : mot不支持DDL
Case Name   : mot不支持的DDL，创建无日志记录子句（no-logging clause）的表
Create At   : 2020/09/18
Owner       : opentestcase001
Description :
    1.创建模式
    2.创建无日志记录子句（no-logging clause）的表，删除模式
    3.恢复环境默认配置，修改enable_incremental_checkpoint为on，并重启数据库
Expect      :
    1.创建模式成功
    2.创建表失败，删除模式成功
    3.修改参数成功，重启数据库成功
History     :
    modified by opentestcase042,2023.01.05，优化代码，恢复参数
"""

import os
import unittest
from testcase.utils.Logger import Logger
from testcase.utils.Common import Common
from testcase.utils.CommonSH import CommonSH
from testcase.utils.Constant import Constant


class Mot_DDL_test(unittest.TestCase):

    def setUp(self):
        self.logger = Logger()
        self.primary_sh = CommonSH('PrimaryDbUser')
        self.constant = Constant()
        self.commonsh = CommonSH
        self.common = Common()
        self.config = 'enable_incremental_checkpoint'
        self.logger.info(f'-----{os.path.basename(__file__)} start-----')
        self.logger.info('------------修改配置，并重启数据库------------')
        show_msg = self.common.show_param(self.config)
        if 'off' not in show_msg:
            msg1 = self.primary_sh.execute_gsguc('set',
                                            self.constant.GSGUC_SUCCESS_MSG,
                                            f'{self.config}=off')
            self.logger.info(msg1)
            msg2 = self.primary_sh.restart_db_cluster()
            self.logger.info(msg2)
            msg3 = self.primary_sh.get_db_cluster_status()
            self.assertTrue("Normal" or "Degrade" in msg3)
        show_msg = self.common.show_param(self.config)
        self.assertTrue('off' in show_msg)

    def test_mot_usddl(self):
        text = '------------step1:MOT不支持的DDL，创建无日志记录子句的表;expect:失败-------------'
        self.logger.info(text)
        self.schema = 'schema_mot_0051'
        self.t_name = 't_mot_0051'
        self.sql_cmd = f''' 
                        drop schema if exists {self.schema} cascade;
                        create schema {self.schema};
                        create foreign unlogged table {self.schema}.{self.t_name}(x int);
                        drop schema {self.schema} cascade;
                      '''
        msg4 = self.primary_sh.execut_db_sql(self.sql_cmd)
        self.logger.info(msg4)
        self.assertIn(self.constant.CREATE_SCHEMA_SUCCESS_MSG, msg4)
        self.assertIn('syntax error at or near "unlogged"', msg4)
        self.assertIn(self.constant.DROP_SCHEMA_SUCCESS_MSG, msg4)

    def tearDown(self):
        self.logger.info('------------this is tearDown-------------')
        self.logger.info('-----------恢复配置，enable_incremental_checkpoint=on-----------')
        show_msg = self.common.show_param(self.config)
        if 'on' not in show_msg:
            msg5 = self.primary_sh.execute_gsguc('set',
                                                 self.constant.GSGUC_SUCCESS_MSG,
                                                 f'{self.config}=on')
            self.logger.info(msg5)
            msg6 = self.primary_sh.restart_db_cluster()
            self.logger.info(msg6)
            msg7 = self.primary_sh.get_db_cluster_status()
            self.assertTrue("Normal" or "Degrade" in msg7)
        show_msg = self.common.show_param(self.config)
        self.assertTrue('on' in show_msg)
        self.logger.info(f'-----{os.path.basename(__file__)} end-----')
